The impact of significant loss of renal mass resultant from kidney cancer surgery is not fully known. Large clinical studies demonstrate that loss of kidney function correlates with an increased incidence of hospitalizations, cardiovascular events, and all-cause mortality. Patients with renal cell carcinoma (RCC) tend to be older, often have co-morbid conditions associated with lower baseline kidney function, and may be particularly sensitive to further loss of kidney function following kidney cancer surgery. Hence, there is a great need to determine the comparative effectiveness of alternative surgical approaches for RCC on kidney function and downstream clinical outcomes. The goal of this award period is for Dr. Leppert to achieve complete independence as an investigator in urologic health services research and expertise in RCC clinical outcomes. He will receive extensive training through the Clinical Research Track in the Graduate Program in Epidemiology at Stanford University, and through the specific aims of the project. The broad objective of this study is to determine the effect of kidney cancer surgery on kidney function and outcomes associated with chronic kidney disease (CKD) such as end-stage renal disease (ESRD), cardiovascular events, hospitalizations, and mortality.
The specific aims of the project are to 1) establish an electronic data registry of persons that underwent kidney cancer surgery within the Veterans Affairs (VA) health care system, 2) characterize the change of kidney function due to specific types of kidney cancer surgery, and 3) to correlate the type of kidney cancer surgery received and post-operative kidney function with the risk of ESRD, conditions associated with CKD, cardiovascular events, hospitalizations, and all-cause mortality among RCC patients in the VA health care system. Ultimately, comparing these surgical strategies can provide opportunities to improve care for patients diagnosed with RCC.

Public Health Relevance

The impact of kidney cancer surgery on chronic kidney disease and its associated clinical outcomes is not fully known. Comparing the effect of kidney cancer surgery on kidney function will help inform treatment decisions and provide opportunities to improve care and clinical outcomes for patients diagnosed with kidney cancer. The impact of kidney cancer surgery on chronic kidney disease and its associated clinical outcomes is not fully known. Comparing the effect of kidney cancer surgery on kidney function will help inform treatment decisions and provide opportunities to improve care and clinical outcomes for patients diagnosed with kidney cancer.

Agency
National Institute of Health (NIH)
Institute
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Type
Mentored Patient-Oriented Research Career Development Award (K23)
Project #
5K23DK089086-05
Application #
8720527
Study Section
Special Emphasis Panel (ZDK1)
Program Officer
Rankin, Tracy L
Project Start
2010-09-15
Project End
2015-08-31
Budget Start
2014-09-01
Budget End
2015-08-31
Support Year
5
Fiscal Year
2014
Total Cost
Indirect Cost
Name
Stanford University
Department
Urology
Type
Schools of Medicine
DUNS #
City
Stanford
State
CA
Country
United States
Zip Code
94304
Leppert, John T; Mittakanti, Harsha R; Thomas, I-Chun et al. (2017) Contemporary Use of Partial Nephrectomy: Are Older Patients With Impaired Kidney Function Being Left Behind? Urology 100:65-71
Barbosa, Philip V; Thomas, I-Chun; Srinivas, Sandy et al. (2016) Overall Survival in Patients with Localized Prostate Cancer in the US Veterans Health Administration: Is PIVOT Generalizable? Eur Urol 70:227-30
Weinberg, Aviva E; Leppert, John T; Elliott, Christopher S (2015) Biochemical Measures of Diabetes are Not Independent Predictors of Urinary Incontinence in Women. J Urol 194:1668-74
Lee, J Joy; Thomas, I-Chun; Nolley, Rosalie et al. (2015) Biologic differences between peripheral and transition zone prostate cancer. Prostate 75:183-90
Leppert, John T; Hanley, Janet; Wagner, Todd H et al. (2014) Utilization of renal mass biopsy in patients with renal cell carcinoma. Urology 83:774-9
Weinberg, Aviva E; Patel, Chirag J; Chertow, Glenn M et al. (2014) Diabetic severity and risk of kidney stone disease. Eur Urol 65:242-7
Liu, Jen-Jane; Leppert, John T; Maxwell, Bryan G et al. (2014) Trends and perioperative outcomes for laparoscopic and robotic nephrectomy using the National Surgical Quality Improvement Program (NSQIP) database. Urol Oncol 32:473-9
Conti, Simon L; Thomas, I-Chun; Hagedorn, Judith C et al. (2014) Utilization of cytoreductive nephrectomy and patient survival in the targeted therapy era. Int J Cancer 134:2245-52
Liao, Joseph C; Leppert, John T (2013) Turning on the lights: new technologies in optical diagnostics and therapeutics. J Urol 190:381-2
Patel, Chirag J; Rehkopf, David H; Leppert, John T et al. (2013) Systematic evaluation of environmental and behavioural factors associated with all-cause mortality in the United States national health and nutrition examination survey. Int J Epidemiol 42:1795-810

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